Subtract 12/70 from 75/9
1st number: 8 3/9, 2nd number: 12/70
75/9 - 12/70 is 857/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 9 × 70 = 630,
75/9 = 75 × 70/9 × 70 = 5250/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
12/70 = 12 × 9/70 × 9 = 108/630 - Subtract the two like fractions:
5250/630 - 108/630 = 5250 - 108/630 = 5142/630 - After reducing the fraction, the answer is 857/105
- In mixed form: 817/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/9-24/70 75/18-12/70 75/9-36/70 75/27-12/70 75/9-60/70 75/45-12/70 75/9-84/70 75/63-12/70